In this article, we investigate the balanced condition and the existence of an Engliš expansion for the Taub-NUT metrics on ℂM 2. Our first result shows that a Taub-NUT metric on ℂM 2 is never balanced unless it is the flat metric. The second one shows that an Engliš expansion of the Rawnsley's function associated to a Taub-NUT metric always exists, while the coefficient a 3 of the expansion vanishes if and only if the Taub-NUT metric is indeed the flat one.
Some remarks on the Kähler geometry of the Taub-NUT metrics
LOI A;ZUDDAS F
2012-01-01
Abstract
In this article, we investigate the balanced condition and the existence of an Engliš expansion for the Taub-NUT metrics on ℂM 2. Our first result shows that a Taub-NUT metric on ℂM 2 is never balanced unless it is the flat metric. The second one shows that an Engliš expansion of the Rawnsley's function associated to a Taub-NUT metric always exists, while the coefficient a 3 of the expansion vanishes if and only if the Taub-NUT metric is indeed the flat one.
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